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authorMarcel Holtmann <marcel@holtmann.org>2008-10-17 19:18:51 +0200
committerMarcel Holtmann <marcel@holtmann.org>2008-10-17 19:18:51 +0200
commit132cd4ce6444745547ba2cff0debd9b48892ca46 (patch)
tree6304dc7f2977dfc16ae7240bb232c209df34e769 /gdbus/watch.c
parent1f5107e65f9786bd6b84ecfb4d84691e9b34529a (diff)
Add g_dbus_add_service_watch() implementation
Diffstat (limited to 'gdbus/watch.c')
-rw-r--r--gdbus/watch.c60
1 files changed, 40 insertions, 20 deletions
diff --git a/gdbus/watch.c b/gdbus/watch.c
index 8f4936ab..e155a406 100644
--- a/gdbus/watch.c
+++ b/gdbus/watch.c
@@ -41,7 +41,8 @@ static guint listener_id = 0;
static GSList *name_listeners = NULL;
struct name_callback {
- GDBusWatchFunction func;
+ GDBusWatchFunction conn_func;
+ GDBusWatchFunction disc_func;
void *user_data;
guint id;
};
@@ -73,14 +74,13 @@ static struct name_data *name_data_find(DBusConnection *connection,
return NULL;
}
-static struct name_callback *name_callback_find(GSList *callbacks,
- GDBusWatchFunction func, void *user_data)
+static struct name_callback *name_callback_find(GSList *callbacks, guint id)
{
GSList *current;
for (current = callbacks; current != NULL; current = current->next) {
struct name_callback *cb = current->data;
- if (cb->func == func && cb->user_data == user_data)
+ if (cb->id == id)
return cb;
}
@@ -93,8 +93,8 @@ static void name_data_call_and_free(struct name_data *data)
for (l = data->callbacks; l != NULL; l = l->next) {
struct name_callback *cb = l->data;
- if (cb->func)
- cb->func(data->connection, cb->user_data);
+ if (cb->disc_func)
+ cb->disc_func(data->connection, cb->user_data);
g_free(cb);
}
@@ -116,7 +116,9 @@ static void name_data_free(struct name_data *data)
}
static int name_data_add(DBusConnection *connection, const char *name,
- GDBusWatchFunction func, void *user_data, guint id)
+ GDBusWatchFunction connect,
+ GDBusWatchFunction disconnect,
+ void *user_data, guint id)
{
int first = 1;
struct name_data *data = NULL;
@@ -124,7 +126,8 @@ static int name_data_add(DBusConnection *connection, const char *name,
cb = g_new(struct name_callback, 1);
- cb->func = func;
+ cb->conn_func = connect;
+ cb->disc_func = disconnect;
cb->user_data = user_data;
cb->id = id;
@@ -147,7 +150,7 @@ done:
}
static void name_data_remove(DBusConnection *connection,
- const char *name, GDBusWatchFunction func, void *user_data)
+ const char *name, guint id)
{
struct name_data *data;
struct name_callback *cb = NULL;
@@ -156,7 +159,7 @@ static void name_data_remove(DBusConnection *connection,
if (!data)
return;
- cb = name_callback_find(data->callbacks, func, user_data);
+ cb = name_callback_find(data->callbacks, id);
if (cb) {
data->callbacks = g_slist_remove(data->callbacks, cb);
g_free(cb);
@@ -220,6 +223,7 @@ static DBusHandlerResult name_exit_filter(DBusConnection *connection,
GSList *l;
struct name_data *data;
char *name, *old, *new;
+ int keep = 0;
if (!dbus_message_is_signal(message, DBUS_INTERFACE_DBUS,
"NameOwnerChanged"))
@@ -234,10 +238,6 @@ static DBusHandlerResult name_exit_filter(DBusConnection *connection,
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
- /* We are not interested of service creations */
- if (*new != '\0')
- return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
-
data = name_data_find(connection, name);
if (!data) {
error("Got NameOwnerChanged signal for %s which has no listeners", name);
@@ -246,9 +246,20 @@ static DBusHandlerResult name_exit_filter(DBusConnection *connection,
for (l = data->callbacks; l != NULL; l = l->next) {
struct name_callback *cb = l->data;
- cb->func(connection, cb->user_data);
+ if (*new == '\0') {
+ if (cb->disc_func)
+ cb->disc_func(connection, cb->user_data);
+ } else {
+ if (cb->conn_func)
+ cb->conn_func(connection, cb->user_data);
+ }
+ if (cb->conn_func && cb->disc_func)
+ keep = 1;
}
+ if (keep)
+ return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+
name_listeners = g_slist_remove(name_listeners, data);
name_data_free(data);
@@ -257,9 +268,9 @@ static DBusHandlerResult name_exit_filter(DBusConnection *connection,
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
-guint g_dbus_add_disconnect_watch(DBusConnection *connection,
- const char *name,
- GDBusWatchFunction func,
+guint g_dbus_add_service_watch(DBusConnection *connection, const char *name,
+ GDBusWatchFunction connect,
+ GDBusWatchFunction disconnect,
void *user_data, GDBusDestroyFunction destroy)
{
int first;
@@ -273,7 +284,8 @@ guint g_dbus_add_disconnect_watch(DBusConnection *connection,
}
listener_id++;
- first = name_data_add(connection, name, func, user_data, listener_id);
+ first = name_data_add(connection, name, connect, disconnect,
+ user_data, listener_id);
/* The filter is already added if this is not the first callback
* registration for the name */
if (!first)
@@ -283,7 +295,7 @@ guint g_dbus_add_disconnect_watch(DBusConnection *connection,
debug("name_listener_add(%s)", name);
if (!add_match(connection, name)) {
- name_data_remove(connection, name, func, user_data);
+ name_data_remove(connection, name, listener_id);
return 0;
}
}
@@ -291,6 +303,14 @@ guint g_dbus_add_disconnect_watch(DBusConnection *connection,
return listener_id;
}
+guint g_dbus_add_disconnect_watch(DBusConnection *connection, const char *name,
+ GDBusWatchFunction func,
+ void *user_data, GDBusDestroyFunction destroy)
+{
+ return g_dbus_add_service_watch(connection, name, NULL, func,
+ user_data, destroy);
+}
+
gboolean g_dbus_remove_watch(DBusConnection *connection, guint id)
{
struct name_data *data;